Littelfuse 571RCC - Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
Littelfuse

571RCC

Alternate Item Number: 05710RCCL

UPC: 079458003451


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Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The Littelfuse 571RCC (SKU: 571RCC) is a robust, panel-mount fuseholder designed for supplementary or Class CC branch circuit protection in industrial settings. This watertight version requires front panel mounting, ensuring protection against environmental factors. It is engineered to house Class CC fuses, featuring a critical rejection feature on its end cap. This mechanism mates with Littelfuse Class CC fuse blocks and fuseholders, preventing the installation of fuses with lower voltage or interrupting ratings, thereby safeguarding system integrity and operational safety. The 571RCC complies with UL 4248-4 and CSA-C22.2 No. 4248-07 standards. It is rated for 30A operational current and 600V operating voltage. The fuseholder boasts a dielectric strength of 2200V and a prospective short-circuit current withstand of 200 kA rms, providing significant protection against overloads and short-circuits. For wiring, it supports solid or stranded copper wire (60/75°C) with a cross-section range from 18 AWG (0.75 mm²) to 8 AWG. Applications include industrial control panels, machinery, transformers, and measuring devices where dependable overcurrent protection is essential. The Littelfuse 571RCC offers a secure, compliant, and durable solution for critical electrical systems.
  • Panel mount fuseholder for Class CC branch circuit protection
  • Watertight design for front panel mounting in demanding environments
  • Rejection feature prevents installation of lower-rated fuses
  • Rated 30A, 600V, with 200 kA rms short-circuit withstand
  • Complies with UL 4248-4 and CSA-C22.2 No. 4248-07 standards

Specifications

Connection Type
Solid or Stranded Copper Wire (60/75°C)
Current Rating
30 A
Ip Rating
IP66/IP67
Mounting Type
Front Panel Mount
Voltage Rating
600 V
Package Weight (Imperial)
0.062 L
Package Weight (Metric)
28.300 g
Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

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Frequently Asked Questions

What technical support resources does Littelfuse offer?

Littelfuse offers a Techline with technical experts who can provide product cross references, general technical information, engineering drawings, and application assistance. They can be contacted at 1-800-TEC-FUSE or [email protected].

What types of industrial protection products does Littelfuse offer?

Littelfuse offers a comprehensive range of industrial protection products including fuses, fuse holders, protection relays, voltage monitors, ground-fault protection relays, motor protection devices, pump controllers, and arc-flash protection relays.

How can I access Littelfuse product information and sales tools?

Littelfuse provides multiple digital resources including Littelfuse University for training, a digital asset portal for marketing materials, RepFiles mobile app for sales information, and a Business Center website for product availability, pricing, and ordering.

What marketing support does Littelfuse offer distributors?

Littelfuse offers a Marketing to Marketing program that includes co-branded email campaigns, content sharing, marketing tool training, product launch support, and website linking. The program is free and aims to help distributors grow sales.

How can distributors participate in Littelfuse's promotional programs?

Distributors can access Promotional Allowance Programs for demand generation campaigns, sales incentives, joint email campaigns, trade shows, events, advertising, and digital campaigns. Activities must be pre-approved at least 30 days in advance.

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.